install conda on colab code example

Example: colab install conda

%%bashMINICONDA_INSTALLER_SCRIPT=Miniconda3-4.5.4-Linux-x86_64.shMINICONDA_PREFIX=/usr/localwget https://repo.continuum.io/miniconda/$MINICONDA_INSTALLER_SCRIPTchmod +x $MINICONDA_INSTALLER_SCRIPT./$MINICONDA_INSTALLER_SCRIPT -b -f -p $MINICONDA_PREFIX